Seiko Cal. 6641 - 202

Seiko 6641-202

The 6641-202 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6641 caliber with 24j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-5bcc909833bf]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Black
Jewels
24j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1979

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